原油轻烃反吹色谱分析

张美珍; 承秋泉; 蒋启贵; 张彩明; 张志荣

doi:10.11781/sysydz200702212

原油轻烃反吹色谱分析

doi: 10.11781/sysydz200702212

中国石油化工股份有限公司, 石油勘探开发研究院无锡石油地质研究所, 江苏, 无锡, 214151

基金项目: 中国石油化工股份有限公司科技开发项目(P00039)

详细信息

作者简介:
张美珍(1956- ),女(汉族),上海人,高级工程师,主要从事油气地球化学研究工作.

中图分类号: TE135
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- 被引次数: 0
出版历程
- 收稿日期: 2006-03-09
- 修回日期: 2007-02-09
- 刊出日期: 2007-03-28

DETERMINATION OF LIGHT HYDROCARBON IN CRUDE OIL WITH BACK-FLOW GAS CHROMATOGRAPHY METHOD

Research Institute of Petroleum Geology, Research Institute of Petroleum Exploration and Production, SINOPEC, Wuxi, Jiangsu 214151, China

摘要

摘要: 利用程序升温进样(PTV)和切割反吹色谱分析技术对原油C₁₅及以前的轻烃组分分析方法进行了研究。通过对压力(P₁,P₂)、变压时间和变压速率等进行优化选择,在切除中—重质烃类物质、保护分析柱的同时实现了轻烃组分的快速分离分析,几个难分离物质对的分离度都优于GB/T18430.1—2001和美国1998ASTM:D5134—98的要求,分析结果稳定可靠,轻烃指纹参数和正常色谱分析结果有很好的可比性。应用此方法对准噶尔盆地部分原油样品进行了分析,轻烃地球化学参数特征清晰地反映了油样的同源性和运移方向。
- 原油轻烃 /
- 切割反吹 /
- 分离度 /
- 油源对比 /
- 油气运移 /
- 准噶尔盆地
Abstract: It is studied in this paper the two analysis methods of light hydrocarbon in crude oil(≤C₁₅) with temperature programming sample injection(PTV) and back-flow GC analysis respectively.Based on the optimized choosing of pressure(P₁,P₂) and pressure changing time and speed control,the light hydrocarbon(≤C₁₅) in crude oil is determined successfully.The heavy components are cut out.The column is protected.The resolution of several components which are hard to separate is better than that requested by GB/T18430.1-2001 and 1998 ASTM of USA.The parameters of light hydrocarbon fingerprint are comparable with those from normal GC analysis.The method is stable and credible.Some samples from the Jungger Basin are analyzed with this method to obtain geochemical parameters of light hydrocarbon.The analysis results show the homogeneity and the migration direction of crude oil samples clearly.
- light hydrocarbon in crude oil /
- back-flow and cut-out /
- resolution /
- correlation of oil and source rock /
- oil and gas migration /

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